{"note":"bim_versions 導入後の保存のみ記録 (それ以前は bim_canonical 上書きで履歴なし)","ok":true,"slug":"u-g0-btcl76x7","versions":[{"created_at":"2026-06-04T17:01:19Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"c4d84024516abab8ddd439fb0de0da574d14c761607362ebc8b9c7e460a09d32","version":5},{"created_at":"2026-06-04T05:52:27Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"43e760f3cabf230f221312d13fc7670b5b3c07a5bbd13c6c0290ce561eeb8cc8","version":4},{"created_at":"2026-06-04T04:58:25Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 44.0→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"a0348840002d1fe1542942acd84d4cc24a27bf5bebd4656a619f06b9edb3d68b","version":3},{"created_at":"2026-06-04T04:58:25Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"942a8a9d5ebb3e942407c5305331c309b41ef6b6a11bbf599d8c1322c871d680","version":2}]}